Overview:   We keep being asked about Mopar Overdrives, so I thought I would do a blog on spotting overdrives.   I know from the start this is not the definitive guide, thus I have titled it - "The Rough Field Spotters Guide for Overdrives" and this will start off being slanted towards Plymouths ! This will definitely grow as I need to take some pictures of earlier (pre-1942) overdrives to put up.   If you want to add replies with more information, super, more t